/**
 * 2009 David BY Chan$lifesting@gmail.com
 *
 * $Id$
 */
package com.lifesting.wfs.gd;


/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Transition</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link com.lifesting.wfs.gd.Transition#getFrom <em>From</em>}</li>
 *   <li>{@link com.lifesting.wfs.gd.Transition#getTo <em>To</em>}</li>
 * </ul>
 * </p>
 *
 * @see com.lifesting.wfs.gd.GdPackage#getTransition()
 * @model extendedMetaData="name='transition' kind='empty'"
 * @generated
 */
public interface Transition extends GraphElement {
	/**
	 * Returns the value of the '<em><b>From</b></em>' container reference.
	 * It is bidirectional and its opposite is '{@link com.lifesting.wfs.gd.Node#getTransition <em>Transition</em>}'.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>From</em>' container reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>From</em>' container reference.
	 * @see #setFrom(Node)
	 * @see com.lifesting.wfs.gd.GdPackage#getTransition_From()
	 * @see com.lifesting.wfs.gd.Node#getTransition
	 * @model opposite="transition" resolveProxies="false" transient="false"
	 *        extendedMetaData="kind='attribute' name='from'"
	 * @generated
	 */
	Node getFrom();

	/**
	 * Sets the value of the '{@link com.lifesting.wfs.gd.Transition#getFrom <em>From</em>}' container reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>From</em>' container reference.
	 * @see #getFrom()
	 * @generated
	 */
	void setFrom(Node value);

	/**
	 * Returns the value of the '<em><b>To</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>To</em>' reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>To</em>' reference.
	 * @see #setTo(Node)
	 * @see com.lifesting.wfs.gd.GdPackage#getTransition_To()
	 * @model resolveProxies="false" required="true"
	 *        extendedMetaData="kind='attribute' name='to'"
	 * @generated
	 */
	Node getTo();

	/**
	 * Sets the value of the '{@link com.lifesting.wfs.gd.Transition#getTo <em>To</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>To</em>' reference.
	 * @see #getTo()
	 * @generated
	 */
	void setTo(Node value);

} // Transition
